What are some conditions that can reduce vitamin B12 absorption …
Breast cancer . Researchers at Johns Hopkins University report that women with breast cancer tend to have lower vitamin B12 levels in their blood serum than do women without breast cancer . …. Colestipol (Colestid) and Cholestyramine ( Questran) resins can decrease gastrointestinal ( GI ) absorption of vitamin B12. It is unlikely that this interaction will deplete body stores of vitamin B12 unless there are other factors contributing to deficiency. …
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What are some conditions that can reduce vitamin B12 absorption …
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